Alright, let's work through 1866 times 9546 step by step
1866 × 9546 = 9546 × (1866)
+ 9546 × 6 that results in 57276
+ 9546 × 60 producing 572760
+ 9546 × 800 resulting in 7636800
+ 9546 × 1000 resulting in 9546000

= 17812836
